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6550221 — RADIATOR,ENGINE COOLANT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6550221: RADIATOR,ENGINE COOLANT.

The RADIATOR,ENGINE COOLANT is a the manufacturer industrial component. Key specifications include material: STEEL TANK FIRST TANK RIGHT SIDESTEEL TANK FIRST TANK RIGHT SIDE, core_type: TUBE AND TUBE AND PLATE FIN LOCATION NOT OTHERWISE SPECIFIEDPLATE FIN LOCATION NOT OTHERWISE SPECIFIED, core_width: 25.297 INCHES NOMINAL25.297 INCHES NOMINAL IN, fan_shroud: NOT INCLUDEDNOT INCLUDED, tank_width: 5.000 INCHES NOMINAL SECOND TANK LEFT SIDE5.000 INCHES NOMINAL SECOND TANK LEFT SIDE IN, core_height: 6.844 INCHES NOMINAL6.844 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2930-00-655-0221, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
6550221
NSN: 2930-00-655-0221
FSC: 2930 — Engine Cooling System Components, Nonaircraft
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL TANK FIRST TANK RIGHT SIDESTEEL TANK FIRST TANK RIGHT SIDE
core_typeTUBE AND TUBE AND PLATE FIN LOCATION NOT OTHERWISE SPECIFIEDPLATE FIN LOCATION NOT OTHERWISE SPECIFIED
core_width25.297 INCHES NOMINAL25.297 INCHES NOMINAL IN
fan_shroudNOT INCLUDEDNOT INCLUDED
tank_width5.000 INCHES NOMINAL SECOND TANK LEFT SIDE5.000 INCHES NOMINAL SECOND TANK LEFT SIDE IN
core_height6.844 INCHES NOMINAL6.844 INCHES NOMINAL IN
filler_neckNOT INCLUDEDNOT INCLUDED
tank_height6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE IN
valve_casingNOT INCLUDEDNOT INCLUDED
core_quantity44
overall_width58.844 INCHES NOMINAL58.844 INCHES NOMINAL IN
tank_locationCENTER THIRD TANK CENTERCENTER THIRD TANK CENTER
NSN2930-00-655-0221
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RADIATOR,ENGINE COOLANT TITLE COMPONENT PN 6550221 MFR RADIATOR,ENGINE COOLAN
KEY FEATURES
•
TANK HEIGHT: 6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE IN
•
FSC APPLICATION DATA: ENGINE NON-AIRCRAFTENGINE NON-AIRCRAFT
•
CORE WIDTH: 25.297 INCHES NOMINAL25.297 INCHES NOMINAL IN
•
INLET CONNECTION END TYPE: FLANGEDFLANGED
•
FILLER NECK: NOT INCLUDEDNOT INCLUDED
•
CORE HEIGHT: 6.844 INCHES NOMINAL6.844 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TANK HEIGHT6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE6.531 INCHES NOMINAL FIRST TANK RIGHT SIDE IN
TANK HEIGHT6.531 INCHES NOMINAL SECOND TANK LEFT SIDE6.531 INCHES NOMINAL SECOND TANK LEFT SIDE IN
OVERALL HEIGHT6.844 INCHES NOMINAL6.844 INCHES NOMINAL IN
FSC APPLICATION DATAENGINE NON-AIRCRAFTENGINE NON-AIRCRAFT
CORE WIDTH25.297 INCHES NOMINAL25.297 INCHES NOMINAL IN
INLET CONNECTION END TYPEFLANGEDFLANGED
FILLER NECKNOT INCLUDEDNOT INCLUDED
CORE HEIGHT6.844 INCHES NOMINAL6.844 INCHES NOMINAL IN
TANK QUANTITY1 FIRST TANK RIGHT SIDE1 FIRST TANK RIGHT SIDE
TANK QUANTITY1 SECOND TANK LEFT SIDE1 SECOND TANK LEFT SIDE
OTHER ITEMS IN FSC 2930 — Engine Cooling System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2930-00-008-1759 2930-00-011-8885 2930-00-023-5186 2930-00-032-6470 2930-00-035-7667 2930-00-036-5099 2930-00-058-6570 2930-00-059-5776
SUBSTITUTES & CROSS-REFERENCES 1
AD4704Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6550221?
6550221 is a RADIATOR,ENGINE COOLANT.
What parts can replace 6550221?
There is 1 known substitute for 6550221: AD4704. Substitute compatibility should be verified for your specific system.
What is the NSN for 6550221?
6550221 is cataloged in the U.S. Government catalog under NSN 2930-00-655-0221. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.